Siamac Esfandi, MD
NPI 1225271455ActiveIndividual· Psychiatry & Neurology, Neurology· Lakewood, CO
Psychiatry & Neurology, Neurology (MD) with Catholic Health Initiatives Colorado, practicing in Lakewood, Colorado. Their prescriptions cost Medicare Part D more than their services did: $694,030 for 1,395 claims, against $44,753 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 3 companies reporting payments in 2025, $301.07 in all, mostly food and beverage. Lists Centura Health-St Anthony Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1225271455 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 17, 2009 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | DR.0056777 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 130 |
|---|---|
| Services billed | 4,281 across 9 procedure codes |
| Paid by Medicare | $44,753 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,395 · 2,455 30-day fills |
|---|---|
| Patients | 235 |
| Total drug cost | $694,030 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Catholic Health Initiatives ColoradoLakewood, CO · 1,225 clinicians
Hospital affiliations
- Centura Health-St Anthony HospitalLakewood, CO
- Centura Health-St Anthony North Health CampusWestminster, CO
- St Anthony Summit Medical CenterFrisco, CO
Industry payments (Open Payments)
- 2025$301.07 · 9 payments from 3 companies
- 2024$259.11 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $193.91 | 5 |
| Biogen, Inc. | $72.66 | 3 |
| Ucb, Inc. | $34.50 | 1 |
What the 2025 payments were for
- Food and Beverage$301.07 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 neurologists in Lakewood · All neurologists in Colorado